Hook



FIG. 1 is a perspective view of the hook;

FIG. 2 is a front elevational view of the same;

FIG. 3 is a rear elevational view of the same;

FIG. 4 is a right side view of the same;

FIG. 5 is a left side view of the same;

FIG. 6 is a bottom plan view of the same; and,

FIG. 7 is a top plan view of the same. 

CLAIM The ornamental design for a hook, as shown. 